Atlantic Bio-Rocks Media
$31.99
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Overview Bio-Rocks Media High surface area provides the optimal environment for beneficial bacteria to colonize. With all of the surface area but 25% less weight than lava rock (and half that of gravel!), expanded clay Bio-Rocks are the more stable, less abrasive alternative to heavyweight bio-media. Lightweight and stable. Durable and easy to clean. 5-Year Warranty. One box of Bio-Rocks suits the BG2234 Media Bag.
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